| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/13/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/12/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/07/12 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 06/07/12 | Statement of changes in beneficial ownership of securities |
|
2 |